B18.5

Square Neck Bolt

NSN 5306-00-044-5623

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
HD
NIIN:
000445623

Detail Specifications

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.750 inches
Fastener Length:
3.500 inches
Head Style:
Round
Head Diameter:
Between 0.563 inches and 0.594 inches
Head Height:
Between 0.125 inches and 0.145 inches
Neck Length:
Between 0.125 inches and 0.156 inches
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
20
Hardness Rating:
95.0 rockwell b
Minimum Yield Strength:
55000 pounds per square inch
Neck Width:
Between 0.245 inches and 0.260 inches
Material:
Steel
Surface Treatment:
Zinc
Surface Treatment Specification:
Astm b633 assn standard single treatment response
Thread Series Designator:
Unc
NSN:
5306-00-044-5623
Item Name:
Bolt,step
Cage Code:
80204

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ASME-B18.5
Cage Code:
05047
RNCC:
3
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
FF-B-584
Cage Code:
81348
RNCC:
5
RNVC:
9
RNAAC:
75
Status:
A
MSDS:
SADC:
Part Number:
FF-B-584 TY1CL1STAGR1
Cage Code:
80244
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
MS35751-26
Cage Code:
96906
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15939
FIIG:
A003B0
Concept No.:
App. Key:
CA
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Step Bolt"

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE ARMY Dept. of the Army
DSOR:
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
U.S. MARINE CORPS U.s. Marine Corps
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
User:
U.S. COAST GUARD U.s. Coast Guard
DSOR:
User:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
DSOR:
User:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
DSOR:
User:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
DSOR:
User:
GENERAL SERVICES ADMINISTRATION General Services Administration
DSOR:
User:
CANADA Canada
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
User:
PORTUGAL Portugal
DSOR:
User:
GREECE Greece
DSOR:
User:
TURKEY Turkey
DSOR:
Import / Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Classification: Bolts and bolts and their nuts or washers exported in the same shipment


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